Computer Networks
The main objective of this course is to introduce the understanding of the concept of computer networking with its layers, topologies, protocols & standards, IPv4/IPv6 addressing, Routing and Latest Networking Standards
Tribhuvan University
Institute of Science and Technology
2080-new
Bachelor Level / fourth-semester / Science
Computer Science and Information Technology( CSC263 )
Computer Networks
Full Marks: 60 + 20 + 20
Pass Marks: 24 + 8 + 8
Time: 3 Hours
Candidates are required to give their answers in their own words as far as practicable.
The figures in the margin indicate full marks.
SECTION A
Attempt any TWO question.
What is classful addressing? Explain link state routing with a suitable example.
What is flow control? How does stop-and-wait ARQ protocol handle error? What are its disadvantages.
Explain TCP header with a neat diagram. Highlight on its uses.
SECTION B
Attempt any EIGHT question.
Explain different types of network topologies.
What do you understand by circuit switching? Explain. What are its advantage and disadvantage ?
State the functionality of logical link control. Briefly explain HDLC.
Differentiate between unicast and multicast routing.
What is the difference between port and socket? Explain leaky bucket algorithm with example.
What do you understand by DNS? Explain FTP and SFTP.
Explain architecture of SDN.
Suppose you are given an IP address 192.168.0.0, perform subnetting and divide the given network in 2 subnets. Calculate total number of host that can be configured, range of IP address.
Write short notes on :
- IPv4
- Infrared